Hand pump



FIG. 1 is a front elevational view of a hand pump showing a first preferred embodiment of my new design (with the pump plunger in an opened position), the rear being a mirror image;

FIG. 2 is a top plan view of the hand pump of FIG. 1;

FIG. 3 is a bottom plan view of the hand pump in FIG. 1;

FIG. 4 is a front elevational view of the hand pump of FIG. 1 (with the pump plunger in a closed position), the rear being a mirror image; and,

FIG. 5 is a perspective view of the hand pump of FIG. 1 (with the pump plunger in an opened position). 

The ornamental design of a hand pump, as shown and described. 